[jira] [Commented] (MESOS-6671) External 3rdparty deps are not built with the configured compiler in cmake build

["Andrew Schwartzmeyer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-6671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16220845#comment-16220845 ] 

Andrew Schwartzmeyer commented on MESOS-6671:
---------------------------------------------

Looks like there's a review here: https://reviews.apache.org/r/63033/

> External 3rdparty deps are not built with the configured compiler in cmake build
> --------------------------------------------------------------------------------
>
>                 Key: MESOS-6671
>                 URL: https://issues.apache.org/jira/browse/MESOS-6671
>             Project: Mesos
>          Issue Type: Bug
>          Components: cmake
>            Reporter: Benjamin Bannier
>            Assignee: Andrew Schwartzmeyer
>              Labels: cmake
>
> CMake permits users to modify the compiler for e.g., C++ source files by setting {{CMAKE_CXX_COMPILER}}. Additionally, to use compiler wrappers like ccache or distcc modern cmake versions allow to specify the wrapper by setting e.g., {{CMAKE_CXX_COMPILER_LAUNCHER}}.
> The current Mesos cmake ignores both these variables when building external 3rdparty autotools-based dependencies, and the only way to overwrite the compiler there would be to set e.g., {{CXX='ccache clang++'}} and {{make}} time. This is undesirable as it is too easy to introduce inconsistent compiler settings.



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